SELECTING MATERIALS OF COMPONENTS OF A PRODUCT TO BE MANUFACTURED

    公开(公告)号:US20240338014A1

    公开(公告)日:2024-10-10

    申请号:US18611806

    申请日:2024-03-21

    申请人: DASSAULT SYSTEMES

    IPC分类号: G05B19/418

    摘要: A computer-implemented method for selecting materials of components of a product to be manufactured. The method includes obtaining a set of materials for the components of the product. The method also includes obtaining, for each component, a set of use and/or manufacturing and/or material constraints for the component. The method also includes obtaining, for the product, a set of use and/or manufacturing constraints for the product. The method also includes obtaining, for the product, one or more material compatibility constraints. The method also includes obtaining specifications. The specifications indicate an extent of compatibility of one or more reference materials within the set of materials with the constraints. The method also includes determining, for each component of the product, at least one optimal material, with respect to compatibility with the constraints and based on the provided specifications, for manufacturing the component.

    ASSESSING VEHICLE NOISE
    4.
    发明公开

    公开(公告)号:US20240270410A1

    公开(公告)日:2024-08-15

    申请号:US18167956

    申请日:2023-02-13

    IPC分类号: B64F5/60 G08G5/00

    摘要: Embodiments assess vehicle noise. One such embodiment defines a computer-based model of a vehicle and automatically determines aerodynamic performance and propulsion performance of the vehicle based on the defined computer-based model. Responsively, a flight-dynamics simulation of the vehicle is performed using the determined aerodynamic performance and propulsion performance. Performing the flight-dynamics simulation produces flight status data. The flight status data is automatically down-sampled to generate a reduced dataset. A high-fidelity flow simulation of the vehicle is performed using the reduced dataset. Performing the high-fidelity flow simulation determines in-flight aerodynamic and aeroacoustic performance of the vehicle. In turn, based on the determined in-flight aerodynamic and aeroacoustic performance, noise physical characteristics of the vehicle are determined and an indication of the determined noise physical characteristics is stored in computer memory.

    Designing a 3D modeled object via orientation optimization

    公开(公告)号:US12061850B2

    公开(公告)日:2024-08-13

    申请号:US17124386

    申请日:2020-12-16

    申请人: DASSAULT SYSTEMES

    IPC分类号: G06F30/23 G06F30/10 G06T17/20

    摘要: A computer-implemented method for designing a 3D modeled object. The 3D modeled object represents a mechanical part formed in a material having an anisotropic behavior with respect to a physical property. The method includes obtaining a 3D finite element mesh and data associated to the 3D finite element mesh. The data associated to the 3D finite element mesh includes a plurality of forces and boundary conditions. The plurality of forces forms multiple load cases. The method further comprises optimizing an orientation field distributed on the 3D finite element mesh with respect to an objective function. The objective function rewards orientation continuity with respect to the physical property. The optimizing is based on the 3D finite element mesh and on the data associated to the 3D finite element mesh. This constitutes an improved method for designing a 3D modeled object.

    Propagation of corner connection elements across a 3D model

    公开(公告)号:US20240232447A9

    公开(公告)日:2024-07-11

    申请号:US18049390

    申请日:2022-10-25

    IPC分类号: G06F30/12 G06F30/13

    CPC分类号: G06F30/12 G06F30/13

    摘要: A method automatically propagates corner connection elements in a 3D modeled object having a plurality of corners with a plurality of structural corner-members. A list of the corners and a selection of a seed corner are received. A target corner in the model is identified as topologically similar to the seed corner. Reference data is collected for a first connection element at the seed corner. The first connection element reference data is copied and oriented to the target corner. A second connection element identical to the first connection element is created and applied to the target corner.

    FILLET DETECTION METHOD
    9.
    发明公开

    公开(公告)号:US20240135733A1

    公开(公告)日:2024-04-25

    申请号:US18478685

    申请日:2023-09-29

    申请人: DASSAULT SYSTEMES

    IPC分类号: G06V20/64 G06T7/543

    摘要: A computer-implemented method including obtaining a mesh representing a segment of an outer surface of a portion of a mechanical part. The method further including determining curves over the mesh that each follows maximal curvature directions of the mesh, fitting each curve with a respective circle, thereby obtaining a set of circles, and calculating a value of one or more statistics of the set of circles. The method then detects whether the mesh is a fillet or not as a function of the value of the one or more statistics.

    3D reconstruction with smooth maps
    10.
    发明授权

    公开(公告)号:US11893690B2

    公开(公告)日:2024-02-06

    申请号:US17949823

    申请日:2022-09-21

    申请人: DASSAULT SYSTEMES

    摘要: A computer-implemented method for 3D reconstruction including obtaining 2D images and, for each 2D image, camera parameters which define a perspective projection. The 2D images all represent a same real object. The real object is fixed. The method also includes obtaining, for each 2D image, a smooth map. The smooth map has pixel values, and each pixel value represents a measurement of contour presence. The method also includes determining a 3D modeled object that represents the real object. The determining iteratively optimizes energy. The energy rewards, for each smooth map, projections of silhouette vertices of the 3D modeled object having pixel values representing a high measurement of contour presence. This forms an improved solution for 3D reconstruction.